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Finding the Fourth Proportional to 5,871.90, 8,808.57 and 2,585.82

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Solution

The fourth proportional to 5,871.90, 8,808.57 and 2,585.82 is: 3,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.90 : 8,808.57 = 2,585.82 : x
  2. Step 2: Convert to fraction form
    5,871.90/8,808.57 = 2,585.82/x
  3. Step 3: Cross multiply
    5,871.90x = 8,808.57 × 2,585.82
  4. Step 4: Simplify right side
    5,871.90x = 22,777,376.48
  5. Step 5: Solve for x
    x = 22,777,376.48/5,871.90
  6. Step 6: Final answer
    x = 3,879.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.